| environ. | 土地开垦 | land reclamation Making land capable of more intensive use by changing its general character, as by drainage of excessively wet land; irrigation of arid or semiarid land; or recovery of submerged land from seas, lakes and rivers (通过改变土地的整体特征，如对过分湿地的排水、干旱半干旱土地的灌溉，或从重新开垦被海洋、湖泊和河流淹没的土地，使土地具有被进一步集约利用的能力。) |
